Dungs 267025 Dual Modular Valve (DMV-D(LE)/622) combines all the features of Dual Modular Valve DMV-D(LE)/6 plus valve 2 incorporates overtravel and a proof of closure switch which is factory mounted and set.DMV/622 is recommended for industrial and commercial heating applications that require two safety shutoff valves with valve 2 Incorporating overtravel and a proof of closure switch. The DMV/622 is suitable for natural gas, propane, butane, air and other inert gases.Aluminum body; Inlet, intermediate and outlet side taps (G1/8 ISO 228); Inlet gas strainer installed in the housing upstream valves (23 mesh screen); DMV, DMV-D - V1 fast opening & closing (<1 s), V2 fast opening & closing (<1 s); DMV-DLE - V1 fast opening & closing (<1s); V2 slow opening 20s MAX at 70 Deg F & fast closing (<1 s); V2 on DMV-D and DMV-DLE feature a manually adjustable flow rate (<10-100%); 100% duty cycle; Conduit Adapter (240671), DIN connector (210319), and flanges must be ordered and priced separately. Code requirements vary. FM requires visual indication on 1" and larger safety valves. The visual indicator, (VI) 266949 meets this requirement. The visual indicator must be ordered separately for valve 1. Factory mounted and calibrated proof of closure switch: SPDT 10 A resistive, 8 FLA, 48 LRA at 120 Vac; NEMA type 12; - 40 Deg F to + 150 Deg F ( - 40 Deg C to + 65 Deg C); Switch incorporates visual indication of valve (opened & closed).
Dungs DMV 70x/622 Series 